. >> congressman john lewis and john carlos discussed their experiences during the civil rights movement live saturday at 8 p.m. eastern, part of booktv this weekend on c-span 2. difference striking between what is happening today and 100 years ago is the columnist of the parade. 100 years ago, the parade was not a parade, so much as a riot. the police refuse to protect the marchers. as they progressed, the crowds got larger and larger. they were very unruly. they had been drinking. they started to throw things at the women. they shouted and told them to go home. not just that, streetcars continued to him see people into the packed crowd the crowd got larger and larger and more aggressive. the women could not go forward. the police were not involved. the secretary of defense called out the calvary to push back the unruly crowd so that the women could continue their peaceful exercise of their first amendment rights. today, this is a wonderful peaceful assembly and as a liberation of how far have come in 100 years. >> this weekend, a look at the centennial celebration of the women's suffra